Terms used for content that the creators have chosen to share with an open copyright model of licensing.
OPEN ... they can be copied and shared without permission or fees, as opposed to the traditional "all rights reserved" approach to copyright ownership, where the creator sells their work and requires permission for copying and use outside of purchasing.
Credit the creator! Open doesn't mean no attribution. Attribution and and agreeing to share the content forward is usually a requirement for use of OER material.
Any type of educational teaching materials created with an open copyright license.
This image was created by Opensource.com and is licensed using the creative commons CC BY-SA license . Use of the CC licence symbol on the image provides a visual indicator/ cue to the intent to share.
Why Open Education Matters by BlinkTower. CC BY-SA
This video is the FIRST place winner in a 2012 contest to create a short video that explains the benefits and promise of Open Educational Resources for teachers, students and schools everywhere. The contest was sponsored by Creative Commons, the U.S. Department of Education, and the Open Society Foundations.
The term Open Access is often used in reference to scholarly journals and academic research and is strongly linked to the movement to make research results and academic papers open and freely accessible.
Open Access (2010) by Canadian Association of Research Libraries. CC BY-NC.
Open Source Basics (2014) by Sarah Moyle, Intel Open Source Technology Center.